Mr. Thibaut Ajdler Profile

Thibaut Ajdler

at Ecole Polytechnique Fédérale de Lausanne

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Proceedings Article | 23 June 2003 Paper

Acoustic-based rendering by interpolation of the plenacoustic function

Thibaut Ajdler, Martin Vetterli

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.510133

KEYWORDS: Visual communications, Image processing

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In the present paper, we study the spatialization of the sound field in a room, in particular the evolution of room impulse responses as function of their spatial positions. The presented technique allows us to completely characterize the sound field in any arbitrary location if the sound field is known in a certain finite number of positions. Our technique simply starts from the measurements of impulse responses in a finite number of positions and with this information the total sound field can be recreated. An analytical solution of the problem is given for any rectangular room. Further, we determine the number and the spacing between the microphones needed to perfectly reconstruct the sound field up to a certain temporal frequency.

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